A preliminary blood screening could reduce some of the demand, experts said - if the test proes alid in larger studies and receies federal approal.
A preliminary blood screening could reduce some of the demand, experts said - if the test proes alid in larger studies and receies federal approal.
有关专家认为，如果血液检测在大量研究中证实有效并获联邦通过，初步血液检测筛查可减少这些结肠镜检的需要。